While essential for bone health and immunity, a surge in high-dose supplementation is leading to a spike in kidney toxicity ...

Vitamin D is widely touted for bone and overall health, but taking too much can backfire. In fact, recent reports have linked extreme vitamin D supplementation to serious organ damage. In 2024, a UK ...

Vitamin D is an essential nutrient that supports immune function, and heart, bone, muscle and nerve health. Vitamin D can be made in your body from sunlight, but it is also found in salmon, egg yolks ...

DEAR DR. ROACH: Several years ago, in my early 80s, my gynecologist told me (like all women who mainly stayed indoors) that I should be taking 4,000 IU of vitamin D3 daily. Yet today, I read an ...

We don't yet know if vitamin D supplements can boost your immune system, as research on the topic has shown mixed results. If you want to try vitamin D supplements for better immune health, your ...

High calcium levels from vitamin D toxicity can disturb the heart’s electrical system. This can lead to palpitations, ...

Dear Dr. Roach: Several years ago, in my early 80s, my gynecologist told me (like all women who mainly stayed indoors) that I should be taking 4,000 IU of vitamin D3 daily. Yet today, I read an ...

While most people don’t get enough vitamin D—a nutrient that’s crucial for bone and muscle health—it is possible to get too much. This can happen if you are taking multiple vitamin D-containing ...

Vitamin D is essential for healthy bones, teeth and muscles and the NHS advises all people should take a daily boost of the ...

Here’s what to know about vitamin D benefits and risks, particularly when it comes to ending fatigue. You might have heard that vitamin D can be crucial for bone health, and that taking supplements ...